Soap holder



FIG. 1 is a perspective view of our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the other side being a mirror image; and,

FIG. 4 is a top plan view thereof.

The broken line showing illustrates environment only and forms no part of the claimed design. 

The ornamental design for a soap holder, as shown and described. 